A vulnerability was found in Linux Kernel up to 5.10.36/5.11.20/5.12.3. It has been declared as critical. Affected by this vulnerability is the function
dma_map_single
of the component spi-zynqmp-gqspi. The manipulation leads to buffer overflow.
This vulnerability is known as CVE-2021-47047. Access to the local network is required for this attack. There is no exploit available.
It is recommended to upgrade the affected component.